package com.wanxi.typechange;

public class Test {
    public static void main(String[] args) {
        double a = 10 + 12.3;
        byte num1 = 10;
        short num2 = 20;
        int b = num1 + num2;
        double c = 10 + 'a' + 12.3;

        
    }
}
